sha,message,author_date,committer_date,raw_author,raw_committer,repo,author,committer 8fbe1f8409a0c0e4ce88a0c30bfc668b16c6903c,"Type check sentinel values (#3472) * type check sentinel values, using Enum pattern * Code review * Code review * Code review * Code review",2019-10-31T15:52:01Z,2019-10-31T15:52:01Z,279c587273ec459ffb5192e60bf8447c05601fa5,2ff6d9e74ee03928d143f0bb1557924a28d3b23d,13221727,5635139,6213168 b0c336f6b4b8d425e5c89d6f75f561823806137b,"Whatsnew for #3419 (#3422) * pyupgrade --py36-plus * Update xarray/core/nputils.py Co-Authored-By: crusaderky * Update xarray/core/parallel.py Co-Authored-By: crusaderky * Update xarray/tests/test_cftime_offsets.py Co-Authored-By: crusaderky * Update xarray/tests/test_cftime_offsets.py Co-Authored-By: crusaderky * whatsnew",2019-10-21T08:52:36Z,2019-10-21T08:52:36Z,279c587273ec459ffb5192e60bf8447c05601fa5,2ff6d9e74ee03928d143f0bb1557924a28d3b23d,13221727,5635139,6213168 3c462b9663bfd9f609b567a7743465aa1b413b1e,"Python3.6 idioms (#3419) * pyupgrade --py36-plus * Update xarray/core/nputils.py Co-Authored-By: crusaderky * Update xarray/core/parallel.py Co-Authored-By: crusaderky * Update xarray/tests/test_cftime_offsets.py Co-Authored-By: crusaderky * Update xarray/tests/test_cftime_offsets.py Co-Authored-By: crusaderky ",2019-10-21T00:16:58Z,2019-10-21T00:16:58Z,279c587273ec459ffb5192e60bf8447c05601fa5,2ff6d9e74ee03928d143f0bb1557924a28d3b23d,13221727,5635139,6213168 d3f1ced1aa84cb0a0f3e47e7ee67492e203fcce5,small updates to the contributing.rst (it could use more) (#3193),2019-08-09T10:40:22Z,2019-08-09T10:40:22Z,279c587273ec459ffb5192e60bf8447c05601fa5,2ff6d9e74ee03928d143f0bb1557924a28d3b23d,13221727,5635139,6213168